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The Federal-aid primary highway system (FAP system) is a system of connected main highways, selected by each state highway department subject to the approval of the Bureau of Public Roads. It encompasses routes of the Interstate System and other important routes serving essentially through traffic with their urban extensions, including ...
A map of the Strategic Highway Network, one component of the NHS Map of average freight truck traffic on the NHS in 2015. According to the Federal Highway Administration, the 160,000-mile (260,000 km) National Highway System includes roads important to the United States' economy, defense, and mobility, from one or more of the following road networks (specific routes may be part of more than ...
The Federal Highway Administration (FHWA) is a division of the United States Department of Transportation that specializes in highway transportation. The agency's major activities are grouped into two programs, the Federal-aid Highway Program and the Federal Lands Highway Program .
Behind the scenes, the federal aid program had begun with the passage of the Federal Aid Road Act of 1916, providing 50% monetary support from the federal government for improvement of major roads. The Federal Aid Highway Act of 1921 limited the routes to 7% of each state's roads, while 3 in every 7 roads had to be "interstate in character".
In 1922, the Bureau of Public Roads commissioned Gen. John J. Pershing to draw up the Pershing Map for construction purposes and to give the government a clear understanding of which roads in the U.S. were the most important in the event of war. The "Pershing Map" was the first official topographic road map of the United States.
The Pershing Map FDR's hand-drawn map from 1938. The United States government's efforts to construct a national network of highways began on an ad hoc basis with the passage of the Federal Aid Road Act of 1916, which provided $75 million over a five-year period for matching funds to the states for the construction and improvement of highways. [8]
The Federal-Aid Highway Act of 1968 (Public Law 90-495; 82 Stat. 815) is legislation enacted by the United States Congress and signed into law on August 24, 1968, which expanded the Interstate Highway System by 1,500 miles (2,400 km); provided funding for new interstate, primary, and secondary roads in the United States; explicitly applied the environmental protections of the Department of ...
Other roads leading to a principal arterial are connected to it through side collector roads. [9] In this view, CARE's definition stands that a motorway is understood as a . public road with dual carriageways and at least two lanes each way. All entrances and exits are signposted and all interchanges are grade separated.